Home / 3,892,039.92-5,370,959.32-2,173,187.44

Finding the Fourth Proportional to 3,892,039.92, 5,370,959.32 and 2,173,187.44

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Solution

The fourth proportional to 3,892,039.92, 5,370,959.32 and 2,173,187.44 is: 2,998,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,039.92 : 5,370,959.32 = 2,173,187.44 : x
  2. Step 2: Convert to fraction form
    3,892,039.92/5,370,959.32 = 2,173,187.44/x
  3. Step 3: Cross multiply
    3,892,039.92x = 5,370,959.32 × 2,173,187.44
  4. Step 4: Simplify right side
    3,892,039.92x = 11,672,101,334,974.94
  5. Step 5: Solve for x
    x = 11,672,101,334,974.94/3,892,039.92
  6. Step 6: Final answer
    x = 2,998,967.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.